WD-40 has many uses, but it's designed as a water displacement fluid. So yes, it can clean, lubricate and prevent rust, but it's only really useful on solid metal moving parts. It can/will eat rubbers and plastics and sometimes it just mixes with all the dirt to form a gunk that gets in everything.
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I have developed a new sport called Airhard. Pretty much the same as Airsoft, except you have to maintain an erection...
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